<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Payment;

use Unsupervised\Schedular\Payment\Payment;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class PaymentTest extends TestCase
{
    public function testDefaults(): void
    {
        $payment = new Payment(5, 3, Payment::REG_LESSON, 12, 35.00);

        self::assertSame('CAD', $payment->currency);
        self::assertSame(Payment::METHOD_ETRANSFER, $payment->method);
        self::assertSame(Payment::STATUS_PENDING, $payment->status);
        self::assertFalse($payment->isPaid());
        self::assertNull($payment->id);
    }

    public function testConstants(): void
    {
        self::assertContains(Payment::METHOD_CARD, Payment::VALID_METHODS);
        self::assertContains(Payment::METHOD_ETRANSFER, Payment::VALID_METHODS);
        self::assertContains(Payment::METHOD_COMP, Payment::VALID_METHODS);
        self::assertContains(Payment::STATUS_PAID, Payment::VALID_STATUSES);
    }

    public function testFromRowMapsCorrectly(): void
    {
        $payment = Payment::fromRow((object) [
            'id'                       => '7',
            'student_id'               => '5',
            'instructor_id'            => '3',
            'registration_type'        => Payment::REG_ENROLLMENT,
            'registration_id'          => '12',
            'amount'                   => '120.00',
            'currency'                 => 'CAD',
            'method'                   => Payment::METHOD_COMP,
            'status'                   => Payment::STATUS_PAID,
            'tax_rate'                 => '13.00',
            'tax_amount'               => '15.60',
            'etransfer_email'          => null,
            'stripe_payment_intent_id' => null,
            'receipt_number'           => 'USC-7',
            'receipt_sent_at'          => null,
            'paid_at'                  => '2026-06-08 10:00:00',
        ]);

        self::assertSame(7, $payment->id);
        self::assertSame(120.00, $payment->amount);
        self::assertSame(13.00, $payment->taxRate);
        self::assertSame(15.60, $payment->taxAmount);
        self::assertSame(Payment::METHOD_COMP, $payment->method);
        self::assertTrue($payment->isPaid());
        self::assertSame('USC-7', $payment->receiptNumber);
    }

    public function testTotalAddsTaxToAmount(): void
    {
        $payment = new Payment(5, 3, Payment::REG_LESSON, 12, 100.00, taxRate: 13.0, taxAmount: 13.00);

        self::assertSame(113.00, $payment->total());
    }

    public function testTotalEqualsAmountWhenUntaxed(): void
    {
        $payment = new Payment(5, 3, Payment::REG_LESSON, 12, 100.00);

        self::assertSame(100.00, $payment->total());
    }

    public function testToArrayContainsExpectedKeys(): void
    {
        $arr = (new Payment(5, 3, Payment::REG_LESSON, 12, 35.00, id: 7))->toArray();

        foreach (['id', 'student_id', 'amount', 'tax_rate', 'tax_amount', 'total', 'currency', 'method', 'status', 'receipt_number'] as $key) {
            self::assertArrayHasKey($key, $arr);
        }
    }
}